PANAYOTOVA, G. .; KOSTADINOVA, S. .; VELINOV, I. . ENERGY EFFICIENCY OF NITROGEN FERTILIZATION IN DURUM WHEAT AND SORGHUM GRAINS. Proceedings of CBU in Natural Sciences and ICT, [S. l.], v. 1, p. 78-84, 2020. DOI: 10.12955/pns.v1.126. Disponível em: https://ojs.cbuic.cz/index.php/pns/article/view/126. Acesso em: 6 nov. 2026.